Spiralarm Type M automatic gas detector
- Made:
- Wigan
Spiralarm Type M automatic gas detector, maker: J.H. Naylor, Wigan, marking: makers name and object name, 1951
Details
- Category:
- Mining & Ore Dressing
- Object Number:
- 1951-22
- type:
- detector
- credit:
- Naylor, J.H. Ltd.